TETRADYNAMIA— SILICULOSA. Cochlearia. 175 



deal, turgid, rugged, veiny, tijoped with tlie style, of 2 

 cells; valves concave, rather thick, not bordered, scarcely 

 keeled ; partition orbicular or elliptical, membranous, 

 generally as wide as the valves. Seeds several in each 

 cell, roundish ; cotyledons flat, accumbent. 

 Annual or perennial herbs, celebrated as antiscorbutic, 

 mostly smooth, and rather succulent, with branched 

 spreading stems; and simple leaves, the radical ones 

 stalked and most entire. Fl. white, or pale purplish, 

 never yellow. 



1. C. officinalis. Common Scurvy-grass. 



Radical leaves roundish ; those on the stem oblong and 

 somewhat sinuated. Pouch globose. 



C. officinalis. Linn. Sp. Pl.^0^. irUlcL v. 3. 44S. FL Br. 6SS. 

 Engl. Bof. V. 8. ^.551. Woociv. t. 29. Hook. Scot. 1 9b. Land, 

 t. 1 48. DeCand. Sijst. v. 2. 364. Fl. Dan. t. 135. 



Cochlearia. Bail Syn. 302. Bauh. Hist. v. 2. 942. / Camer. 

 Epit. 27 1 . /. Dod. Pempt. 594. /. 



C. rotundifolia. Ger. Em. 401 ./. 



Garden Scurvy-grass. Petiv. H. Brit. t. 49./. I. 



Nasturtium n. 503. Hall. Hist. u. 1. 218. 



^. Cochlearia minor rotundifolia nostras. Raii Syn. 303. 



y. C. groenlandica Hlllt. 5/3 ; but not of Linnceus. 



C. rotundifolia. Dill, in Raii Syn. 302. 



On the sea coast, in stony or muddy situations, abundantly ; some- 

 times, especially the varieties, in watery spots on the Welsh or 

 Scottish mountains. 



Annual. May. 



A smooth, sleek and shining herb, varying much in luxuriance, 

 and somewhat in the shape of its foliage. .S7em angular, nnich 

 branched, usually a foot high ; in mountain specimens only 2 or 

 3 inches. Lon-cr Icavrs on long stalks, roundish-heart-shaped, 

 waw ; npper sessile, smaller and more oblong, sinuated, or 

 deeply toothed, clasping the stem. FL pure white, in nume- 

 rous (.-orvmbose tufts, Ponchcs nearly globular, obscurely veiny, 

 tipped \vith the short sti/lc; partition broadly ovate, 



/S, sent by the late Rev. II. Davies from Beaumaris, has long 

 stalks to many of the strni-lcarrs, which are also more heart- 

 shaped than in the common kind. Tiie /loners arc small and 

 white. Punches but slightly veiny. 



2. C. grornlfindicff. (irccnluiid Scurvy-grass. 

 Leaves kidiuy-sliaped, fleshy, entire; u})permost oblong. 



Poucli triobose. 



